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Technical data for Titanium

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Overview
NameTitanium
SymbolTi
Atomic Number22
Atomic Weight47.867
Density4.507 g/cm3
Melting Point1668 °C
Boiling Point3287 °C

Thermal properties
PhaseSolid
Melting Point1668 °C
Boiling Point3287 °C
Absolute Melting Point1941 K
Absolute Boiling Point3560 K
Critical PressureN/A
Critical TemperatureN/A
Heat of Fusion18.7 kJ/mol
Heat of Vaporization425 kJ/mol
Heat of CombustionN/A
Specific Heat520 J/(kg K)[note]
Adiabatic IndexN/A
Neel PointN/A
Thermal Conductivity22 W/(m K)
Thermal Expansion8.6×10-6 K-1

Bulk physical properties
Density4.507 g/cm3
Density (Liquid)4.11 g/cm3
Molar Volume0.000010621
Brinell Hardness716 MPa
Mohs Hardness6 MPa
Vickers Hardness970 MPa
Bulk Modulus110 GPa
Shear Modulus44 GPa
Young Modulus116 GPa
Poisson Ratio0.32
Refractive IndexN/A
Speed of Sound4140 m/s
Thermal Conductivity22 W/(m K)
Thermal Expansion8.6×10-6 K-1

Reactivity
Valence4
Electronegativity1.54
ElectronAffinity7.6 kJ/mol
Ionization Energies
658.8, 1309.8, 2652.5, 4174.6, 9581, 11533, 13590, 16440, 18530, 20833, 25575, 28125, 76015, 83280, 90880, 1.007×105, 1.091×105, 1.178×105, 1.299×105, 137530, 602930 kJ/mol

Health and Safety
Autoignition Point250 °C
FlashpointN/A
Heat of CombustionN/A
DOT Hazard Class4.2
DOT Numbers2546
EU NumberN/A
NFPA Fire Rating1
NFPA HazardsN/A
NFPA Health Rating1
NFPA Reactivity Rating2
RTECS NumberN/A
NFPA LabelNFPA Label

Classifications
Alternate NamesNone
Names of AllotropesNone
Blockd
Group4
Period4
Electron Configuration[Ar]3d24s2
ColorSilver
Discovery
1791 in United Kingdom
Gas phaseN/A
CAS NumberCAS7440-32-6
CID NumberCID23963
Gmelin NumberN/A
NSC NumberN/A
RTECS NumberN/A

Electrical properties
Electrical TypeConductor
Electrical Conductivity2.5×106 S/m
Resistivity4×10-7 m Ω
Superconducting Point0.4

Magnetic properties
Magnetic TypeParamagnetic
Curie PointN/A
Mass Magnetic Susceptibility4.01×10-8
Molar Magnetic Susceptibility1.919×10-9
Volume Magnetic Susceptibility0.0001807

Abundances
% in Universe0.0003%
% in Sun0.0004%
% in Meteorites0.054%
% in Earth's Crust0.66%
% in Oceans1×10-7%
% in HumansN/A

Atomic dimensions and structure
Atomic Radius176 pm
Covalent Radius136 pm
Van der Waals RadiusN/A
Crystal StructureSimple Hexagonal
Lattice Angles
π/2, π/2, 2 π/3
Lattice Constants
295.08, 295.08, 468.55 pm
Space Group NameP63/mmc
Space Group Number194

Nuclear Properties
Half-LifeStable
LifetimeStable
Decay ModeN/A
Quantum Numbers3F2
Neutron Cross Section6.1
Neutron Mass Absorption0.0044
Known Isotopes
38Ti, 39Ti, 40Ti, 41Ti, 42Ti, 43Ti, 44Ti, 45Ti, 46Ti, 47Ti, 48Ti, 49Ti, 50Ti, 51Ti, 52Ti, 53Ti, 54Ti, 55Ti, 56Ti, 57Ti, 58Ti, 59Ti, 60Ti, 61Ti, 62Ti, 63Ti
Stable Isotopes
46Ti, 47Ti, 48Ti, 49Ti, 50Ti
Isotopic Abundances
46Ti8.25%
47Ti7.44%
48Ti73.72%
49Ti5.41%
50Ti5.18%


Notes on the properties of Titanium:

Specific Heat: Value given for solid phase.

Up to date, curated data provided by
Mathematica's ElementData function from Wolfram Research, Inc.

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